diff --git a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb
index 1cda193268..43a68dbb16 100644
--- a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb
@@ -8,6 +8,10 @@ fw_config
 end
 
 chip soc/intel/jasperlake
+	# Disable PCIe Root Port 8 (index 7)
+	register "PcieRpEnable[7]" = "0"
+	# Disable PCIe Clock Source 4 (index 3)
+	register "PcieClkSrcUsage[3]" = "0xff"
 
 	# Intel Common SoC Config
 	#+-------------------+---------------------------+